maggie444 maggie444

21-03-2017
Mathematics

Answered

solve the equation

4x squared =121

A 2.75,-2.75

B 5.5,-5.5

C 11,-11

D 30.25,-30.25

Verified Answer :

Favouredlyf Favouredlyf

01-11-2019

Answer:B

Step-by-step explanation:

4x2 =121

4x2-121=0

using the general formula

[-b( +/-) √b2-4ac]/2a

a=4, b= 0, c=-121

x= [0 ( +/-)√02-(44-121)]/2.4

= ( +/-)√1936)/8 = ( +/-)5.5

x =5.5

x = -5.5

Answer Link

Related Questions

In a population of 3 14 million people 2115000 are under the age of 16 Calculate the percentage to two decimal places of the population who are under the age of

a ball player gets 11 hits in 40 times at bat how many hits would you predict in 1000 times at bat

The gas in a cylinder has a volume of 8 liters at a pressure of 104 kPa The pressure if the gas is increased to 200 kPa Assuming the temperature remains constan

Write an equation of the line in slopeintercept form given the slope is 10 and the yintercept is 3

Soldiers that are stationed overseas can still vote in a United States election even though they are out of the country They are each allowed to cast an ballot

Without the herbivores what would happen to the plant population

What are examples of justices done in the world

1 Which of the following is an indirect source A A source with no known author B A source with no title C A source with no publication date D A source thats cit

find the nth term in the sequence 63036

WW1 facts about trench warfare

Web Analytics Made Easy - Statcounter